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Finding the Fourth Proportional to 98,343,321.90, 147,514,982.85 and 98,343,321.90

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Solution

The fourth proportional to 98,343,321.90, 147,514,982.85 and 98,343,321.90 is: 147,514,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,343,321.90 : 147,514,982.85 = 98,343,321.90 : x
  2. Step 2: Convert to fraction form
    98,343,321.90/147,514,982.85 = 98,343,321.90/x
  3. Step 3: Cross multiply
    98,343,321.90x = 147,514,982.85 × 98,343,321.90
  4. Step 4: Simplify right side
    98,343,321.90x = 14,507,113,443,490,530
  5. Step 5: Solve for x
    x = 14,507,113,443,490,530/98,343,321.90
  6. Step 6: Final answer
    x = 147,514,982.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.